I think it will be difficult ___ a robot ____ the same things as a person.
Yesterday evening, I _____ along the street when I suddenly met my maths teacher.
_____ they are very tired, they feel happy because they’ve finally finished their project.
How dangerous! She was driving the car with one hand and holding an ice cream with ____.
--I’m going to Hainan on vacation next week.-- _.
--Jack, could you tell me ____?--Sure. In the post office on Green Road.